Ironic cause your lipstick is red, of course
The woman Tyler plans to rape and murder has red lipstick. This is quite a coincidence because red is the same color of blood
This could also be to do with the fact that your lips turn blue when you are either about to die, dying or have just died. Her red lips are a sign of life.
Tyler uses a similar line later in his career, in the song Garbage. Since the colour red is often linked with danger, and is a color which bulls are notoriously angered by, this may be a reason as to why Tyler goes on to commit the acts later mentioned in the song.
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